here on cbs 5. ,,,,,,,, ,,,,,,,,,,,, thanks to a new system. cb's roberta gonzales is live i >>> a south bay school district is saving a ton of money and water thanks to a new system. cbs 5's roberta gonzales live down in campbell with the smarter sprinklers. hi, roberta. >> reporter: hi there, frank. hi, michelle. doesn't you just hate it when you see people watering their lawns when it's raining outside or perhaps watering their lawns and it's really windy and all the water goes up into the atmosphere and evaporates? that's waste. that's why the campbell middle school has called on hydropoint's ceo chris spain here to tell us how hydropoint has made a difference here at campbell middle school. >> well, thanks, roberta. i think it's really simple what we do is we eliminate waste by making sure the controller irrigates the right amount of water at the right time. the way we do that is have a feature called weather track which replaces the existing irrigation controller with a computer. and the computer calculates exactly how much water and when. >> reporter: you're using the